Fan-Ipdu P.c. Board (Mcc-1659) Replacement Procedure - Toshiba MMY-MAP0806HT8(J)P Service Manual

13-1-7. Fan-IPDU P.C. Board (MCC-1659) Replacement Procedure

This board is commonly installed in different models before shipment. Set the DIP switch (SW800) setting of the
service board to the switch setting before replacement.
Replacement steps:
(1) Turn off the power supply of the outdoor unit and allow at least 3 minutes for the capacitor to discharge.
(2) Remove all the connectors and the Faston and screw terminals(①) connected to the FAN IPDU.
(Remove the connectors and Faston terminals by pulling the connector body. Do not pull the wire).
(3) Remove all the two screws(②) which secures the FAN IPDU to the Heat sink.
(These screws are to be re-used after procedure.)
(4) Remove the Fan IPDU from the four PCB Mounts (③).
Ex. MMY-MAP1206HT8P
(5) Confirm that no dirt or damage is on the sub heat sink. As it can reduce the heat transfer efficiency, and cause a
breakdown.
AMP Air Conditioning
③
FAN IPDU
(MCC-1659)
③
Remove the PCB
Sub Heat Sink
Heat Sink
FAN-IPDU
(43T6V627)
SW800
②Screw
②
①Faston terminal
YELLOW lead wire
− 293 −
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③
①Screw terminal
BLUE lead wire
①Faston terminal
RED lead wire
①Faston terminal
WHITE lead wire
①Faston terminal
BLACK lead wire
Push this part to
the direction of the
arrow. And remove
the PCB.
PCB Mounts ③
IC302